* {
  box-sizing: border-box;
  margin: 0;
}
.container {
  display: flex;
  height: 100vh;
  width: 80vw;
  margin: 0 auto;
}
.container .panel1 {
  background-image: url('https://images.unsplash.com/photo-1558979158-65a1eaa08691?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=1350&q=80');
}
.container .panel2 {
  background-image: url('https://images.unsplash.com/photo-1572276596237-5db2c3e16c5d?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=1350&q=80');
}
.container .panel3 {
  background-image: url('https://images.unsplash.com/photo-1507525428034-b723cf961d3e?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=1353&q=80');
}
.container .panel4 {
  background-image: url('https://images.unsplash.com/photo-1551009175-8a68da93d5f9?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=1351&q=80');
}
.container .panel5 {
  background-image: url('https://images.unsplash.com/photo-1549880338-65ddcdfd017b?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=1350&q=80');
}
.container .total {
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  height: 80vh;
  border-radius: 50px;
  cursor: pointer;
  flex: 0.5;
  position: relative;
  margin: 10px;
  transition: all 0.7s;
}
.container .total h3 {
  font-size: 24px;
  text-align: end;
  position: absolute;
  left: 20px;
  bottom: 20px;
  opacity: 0;
  margin: 0;
}
.container .total.active {
  flex: 5;
  transition: opacity 0.3s;
}
.container .total.active h3 {
  opacity: 1;
}
